نتایج جستجو برای: hla drb1
تعداد نتایج: 40277 فیلتر نتایج به سال:
BACKGROUND The distribution of HLA alleles and haplotypes varies widely between different ethnic populations and geographic areas. Before any genetic marker can be used in a disease-associated study it is therefore essential to investigate allelic frequencies and establish a genetic database. METHODOLOGY/PRINCIPAL FINDINGS This is the first report of HLA typing in the Tujia group using the Lu...
Cerebral infarction occurs in one quarter of all children with sickle cell anemia (SCA). There is an increased risk of stroke in siblings with SCA, suggesting genetic factors may influence risk of stroke. The authors investigated whether HLA type was associated with risk of stroke in children with SCA. Fifty-three patients with SCA underwent complete HLA typing at both HLA class I (HLA-A, B) an...
OBJECTIVE The protective effect of HLA-DRB1 alleles on the development of rheumatoid arthritis (RA) is poorly understood. The aim of this study was to perform a meta-analysis of 4 European populations to investigate which HLA-DRB1 alleles are associated with protection in anti-citrullinated protein antibody (ACPA)-positive RA and ACPA-negative RA. METHODS Data for >2,800 patients and >3,000 c...
hla-drb1 allele frequencies of 28 myasthenia gravis (mg) patients, residents of southern iranian provinces, were studied using pcr-ssp method. the control group consisted of 100 healthy individuals of the same ethnic group. the allele hla-drb1 * 16 (rr= 2.04, p= 0.028) was found to be significantly increased in mg patients compared to the control group, whereas hladrb1 * 15(rr= 0.17 p= 0.043) a...
BACKGROUND HLA-DRB1 allele polymorphisms have been reported to be associated with hepatocellular carcinoma susceptibility, but the results of these previous studies have been inconsistent. The purpose of the present study was to explore whether specific HLA-DRB1 alleles (DRB1*07, DRB1*12, DRB1*15) confer susceptibility to hepatocellular carcinoma. METHODS Case-control studies on HLA-DRB1 alle...
Association between HLA antigens and cervical squamous cell carcinoma has been described in several populations. To verify whether HLA-DRB1 and DQB1 diversity is related to cervical cancer in Puerto Rican women, 40 cases and 50 controls were HLA typed. DRB1*16 (POR=2.89) and DRB1*11 (POR=1.74) were positively associated with cervical cancer. A negative association was found with DRB1*01 (POR=0....
Multiple sclerosis (MS) is a chronic autoimmune demyelinating disease of the central nervous system that causes neurological disorders in young adults. Previous studies in various populations highlighted an association between the HLA-DRB1*15 allele and MS. This study investigated the association between HLA-DRB1*15 and other HLA-DRB1 alleles and MS in a Brazilian Caucasian population sample fr...
OBJECTIVES The population in Iran is a genetic admixture of the ancestral Aryan and other populations neighboring Iran. Different ethnic groups in Iran show wide regional distributions for many human leukocyte antigen (HLA) alleles. Therefore, it is necessary and sensible to study the differences in HLA allele distribution in different area. We studied the HLA class I and II allele frequencies ...
Whereas the genetic risk for type 1 diabetes is linked to human leukocyte antigen (HLA) class II genes, the HLA association in type 2 (non-insulin-dependent) diabetes is less clear. The association between HLA class II genotypes and type 2 diabetes was examined in adult Bahrainis, an Arab population with a high prevalence of type 2 diabetes. HLA-DRB1* and -DQB1* genotyping of 86 unrelated type ...
We performed HLA-A, -B, and -C antigen and -DR DNA typing in 111 Japanese patients with idiopathic thrombocytopenic purpura (ITP). DRB1*0410 was significantly increased in ITP patients compared with healthy controls (relative risk = 9.52, P < .05), but the other DRB1*04 alleles showed no significant differences. On HLA-DR serotyping, patients with Vogt-Koyanagi-Harada disease (VKH) had a high f...
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